Tymsay Fm
Period:
Carboniferous
Age Interval:
Lower Carboniferous, Z5
Province:
Zarafshan-N.Gissar
Type Locality and Naming
Along the Tym River, Zirabulak-Ziaetdin Mountains. V.S. Korsakov in 1960-1961 (460, p. 170).
Synonym: Tymsay Suite, Тымсайская св.
Lithology and Thickness
Clay slates, siltstone (aleurolites), sandstones, gravels, conglomerates, dacites and their tuffs, cherts. Thickness 800-900m.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Lies unconformably on Ordovician, Silurian, and Devonian formations
Upper contact
It is overlain with angular unconformity by the Tepalik Fm.
Regional extent
Zirabulak-Ziaetdin Mountains, basin of the Tym River, Devanasya, Ovhanasya, Mount Terikbaba.
GeoJSON
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Fossils
Contains brachiopods Laptaenella sp. and Gryptenella sp.
Age
Belongs to the Lower Carboniferous by comparison with similar formations in adjacent regions. (Aysanov et al., 1967).
Age Span:
Beginning stage:
Tournaisian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
359.30
Ending stage:
Tournaisian
Fraction up in the ending stage:
1.0
Ending date (Ma):
346.73
Depositional setting
Depositional pattern:
Additional Information
Compiler:
V.V. Mikhailov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”